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公开(公告)号：US20240309749A1
公开(公告)日：2024-09-19
申请号：US18679539
申请日：2024-05-31
发明人： Jason Williams
IPC分类号： E21B47/009 , E21B43/12 , F04B47/02 , F04B49/02 , F04B49/06
CPC分类号： E21B47/009 , E21B43/127 , F04B47/022 , F04B49/02 , F04B49/065 , F04B47/02 , F04B2201/0801 , F04B2201/12 , F04B2201/121 , F04B2203/02
摘要： A rod-pump control device is disclosed. The claimed rod-pump control device uses fuel or air usage for gas units, and can use pressure. The sensors work as the primary trigger to indicate a pump-off condition on an oil and gas well. These sensors can be used as stand-alone triggers or in conjunction with other sensors to more accurately monitor pump efficiency. When the pump-controller starts to indicate an inefficient pump condition, it will remove power to disengage an electric clutch or send a signal to an engine controller to stop. An adjustable algorithm will use percentage change of off time, dependent on actual run time compared to a user definable target time to keep the pump operating at peak efficiency.
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公开(公告)号：US20180030978A1
公开(公告)日：2018-02-01
申请号：US15659229
申请日：2017-07-25
发明人： Dan McCarthy
CPC分类号： F04B27/02 , E21B4/00 , E21B43/126 , F04B9/113 , F04B35/00 , F04B47/04 , F04B49/002 , F04B49/12 , F04B2201/0202 , F04B2201/121 , F04B2203/09
摘要： Methods and systems are provided to adaptively control a hydraulic fluid supply to supply a driving fluid for applying a driving force on a piston in a gas compressor, the driving force being cyclically reversed between a first direction and a second direction to cause the piston to reciprocate in strokes. During a first stroke of the piston, a speed of the piston, a temperature of the driving fluid, and a load pressure applied to the piston is monitored. Reversal of the driving force after the first stroke is controlled based on the speed, load pressure, and temperature.
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公开(公告)号：US20170321526A1
公开(公告)日：2017-11-09
申请号：US15656252
申请日：2017-07-21
发明人： Dan McCarthy
IPC分类号： E21B43/12 , F04B1/32 , F04B9/107 , F04B49/06 , E21B47/00 , F04B41/02 , F04B47/00 , F04B49/22
CPC分类号： E21B43/129 , E21B47/0007 , F04B1/12 , F04B1/295 , F04B1/324 , F04B9/107 , F04B41/02 , F04B47/00 , F04B47/04 , F04B47/08 , F04B49/065 , F04B49/22 , F04B49/225 , F04B2201/121 , F04B2203/091
摘要： A lift apparatus and method for driving a downhole reciprocating pump is disclosed. The apparatus includes a hydraulic cylinder having a piston and a hydraulic fluid port, the piston being coupled to a rod for driving the reciprocating pump, the piston being moveable between first and second ends of the cylinder in response to a flow of hydraulic fluid through the hydraulic fluid port. The apparatus also includes a variable displacement hydraulic pump coupled to receive a substantially constant rotational drive from a prime mover for operating the hydraulic pump, the hydraulic pump having an outlet and being responsive to a displacement control signal to draw hydraulic fluid from a reservoir and to produce a controlled flow of hydraulic fluid at the outlet. The apparatus also includes a hydraulic fluid line connected to deliver hydraulic fluid from the outlet of the hydraulic pump through the hydraulic fluid port to the cylinder for causing the piston to move through an upstroke away from the first end and toward the second end of the cylinder. The apparatus further includes a valve connected between the hydraulic fluid port and the reservoir, the valve being responsive to a valve control signal for controlling discharge of hydraulic fluid from the hydraulic fluid port of the cylinder back to the reservoir to facilitate movement of the piston through a downstroke away from the second end toward the first end of the cylinder. The valve is operable to prevent flow of hydraulic fluid through the valve during the upstroke and the hydraulic pump is operable to prevent flow of hydraulic fluid back into the outlet of the hydraulic pump during the downstroke.
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公开(公告)号：US09810213B2
公开(公告)日：2017-11-07
申请号：US13663167
申请日：2012-10-29
申请人： Victoria M. Pons
发明人： Victoria M. Pons
CPC分类号： F04B49/065 , E21B43/127 , E21B47/0008 , E21B2043/125 , F04B47/022 , F04B49/20 , F04B51/00 , F04B2201/121 , F04B2201/1211 , G05B13/042
摘要： A pump apparatus has a downhole pump disposed in a wellbore and has a motor at the surface, and a rod string operatively moved by the motor reciprocates the downhole pump in the wellbore. Downhole data indicative of load and position of the downhole pump is generated using surface measurements and a wave equation model having a damping factor. Actual fluid load lines are determined from the downhole data for upstrokes and downstrokes of the downhole pump, and calculated fluid load lines for from the strokes are determined from the distribution of the load values in the downhole data. The actual fluid load lines are compared to the calculated fluid load lines to determine if the downhole data is over or under-damped. Then, the damping factor of the wave equation model can be adjusted so that new downhole data can be generated with appropriate damping.
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公开(公告)号：US20170037845A1
公开(公告)日：2017-02-09
申请号：US14945163
申请日：2015-11-18
CPC分类号： F04B49/20 , E21B43/126 , E21B47/0007 , F04B19/22 , F04B47/022 , F04B49/065 , F04B51/00 , F04B53/14 , F04B2201/0201 , F04B2201/0202 , F04B2201/0203 , F04B2201/1201 , F04B2201/121 , F04B2201/1211
摘要： A controller for operating a rod pumping unit at a pump speed. The controller includes a processor configured to operate a pump piston of the rod pumping unit at a first speed. The processor is further configured to determine a pump fillage level for a pump stroke based on a position signal and a load signal. The processor is further configured to reduce the pump speed to a second speed based on the pump fillage level for the pump stroke.
摘要翻译： 用于以泵速度操作杆式抽油机的控制器。 控制器包括处理器，该处理器被配置为以第一速度操作杆式抽油机的泵活塞。 处理器还被配置为基于位置信号和负载信号来确定泵冲程的泵填充水平。 处理器还被配置为基于泵冲程的泵填充水平将泵速降低到第二速度。
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公开(公告)号：US20130151216A1
公开(公告)日：2013-06-13
申请号：US13757622
申请日：2013-02-01
发明人： Krzysztof Palka , Jaroslaw A. Czyz
IPC分类号： G06F17/50
CPC分类号： G06F17/5018 , E21B43/127 , F04B47/02 , F04B47/022 , F04B49/065 , F04B2201/0202 , F04B2201/0206 , F04B2201/121 , F04B2203/0209 , F04B2205/04 , G05B13/041
摘要： A method and system for pumping unit with an elastic rod system is applied to maximize fluid production. The maximum stroke of the pump and the shortest cycle time are calculated based on all static and dynamic properties of downhole and surface components without a limitation to angular speed of the prime mover. Limitations of structural and fatigue strength are incorporated into the optimization calculation to ensure safe operation while maximizing pumped volume and minimizing energy consumption. Calculated optimal prime mover speed is applied to the sucker rod pump by means of beam pumping, long stroke or hydraulic pumping unit by controlling velocity, acceleration and torque of the electric prime mover or by controlling pressure and flow rate in hydraulically actuated sucker rod pumping system.
摘要翻译： 应用一种用弹性杆系统进行泵送单元的方法和系统，以最大化流体生产。 泵的最大行程和最短的循环时间是基于井下和表面部件的所有静态和动态特性而不受原动机角速度限制的。 结构和疲劳强度的限制被纳入优化计算，以确保安全运行，同时最大限度地提高抽水量并最大限度地降低能耗。 通过控制电动泵的速度，加速度和扭矩或通过控制液压驱动抽油杆泵送系统中的压力和流量，通过波束泵送，长行程或液压泵送单元，计算出最佳原动机速度应用于抽油杆泵 。
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公开(公告)号：US20130108472A1
公开(公告)日：2013-05-02
申请号：US13663161
申请日：2012-10-29
申请人： Victoria M. Pons
发明人： Victoria M. Pons
CPC分类号： F04B49/065 , E21B43/127 , E21B47/0008 , E21B2043/125 , F04B47/022 , F04B49/20 , F04B51/00 , F04B2201/121 , F04B2201/1211 , G05B13/042
摘要： A pump apparatus has a downhole pump disposed in a wellbore and has motor at a surface of the wellbore, and the downhole pump is reciprocated in the wellbore by a rod string operatively moved by the motor. A card indicative of load and position of the downhole pump is generated using surface measurements and a wave equation model having a damping factor or two damping factors. Actual fluid load lines are determined from the downhole card for upstroke and downstroke of the downhole pump, and calculated fluid load lines from the load distribution of the downhole data. The actual fluid load lines are compared to the calculated fluid load lines so that at least one parameter of the pump apparatus can be modified based on the comparison. For example, the damping of the wave equation model can be adjusted so that another downhole card can be generated.
摘要翻译： 泵装置具有设置在井眼中的井下泵，并且在井眼的表面具有马达，并且井下泵通过由马达可操作地移动的杆串在井眼中往复运动。 使用表面测量和具有阻尼因子或两个阻尼因子的波动方程模型来产生指示井下泵的载荷和位置的卡。 实际的流体负荷线由井下卡的井下泵的上行和下行确定，以及从井下数据的负荷分布计算出的流体载荷线。 将实际流体负荷管线与计算的流体负荷管线进行比较，使得可以基于比较来修改泵装置的至少一个参数。 例如，可以调整波动方程模型的阻尼，从而可以产生另一个井下卡。
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公开(公告)号：US20130104645A1
公开(公告)日：2013-05-02
申请号：US13663155
申请日：2012-10-29
申请人： Victoria M. Pons
发明人： Victoria M. Pons
IPC分类号： F04B51/00
CPC分类号： F04B49/065 , E21B43/127 , E21B47/0008 , E21B2043/125 , F04B47/022 , F04B49/20 , F04B51/00 , F04B2201/121 , F04B2201/1211 , G05B13/042
摘要： Diagnosing a pump apparatus having a downhole pump disposed in a deviated wellbore characterizes axial and transverse displacement of a rod string with two coupled non-linear differential equations of fourth order, which include axial and transverse equations of motion. To solve the equations, derivatives are replaced with finite difference analogs. Initial axial displacement of the rod string is calculated by assuming there is no transverse displacement and solving the axial equation. Initial axial force is calculated using the initial axial displacement and assuming there is no transverse displacement. Initial transverse displacement is calculated using the initial axial force and the initial axial displacement. Axial force and friction force are calculated using the initial displacements, and the axial displacement at the downhole pump is calculated by solving the axial equation with the axial force and the friction force. Load at the downhole pump is calculated so a downhole card can be generated.
摘要翻译： 诊断具有设置在偏斜井筒中的井下泵的泵装置表征具有四次的两个耦合非线性微分方程的杆串的轴向和横向位移，其包括轴向和横向运动方程。 为了求解方程，导数被有限差分类似物代替。 通过假设没有横向位移并求解轴向方程来计算杆柱的初始轴向位移。 使用初始轴向位移计算初始轴向力，假设没有横向位移。 使用初始轴向力和初始轴向位移计算初始横向位移。 使用初始位移计算轴向力和摩擦力，并通过轴向力和摩擦力求解轴向方程来计算井下泵的轴向位移。 计算井下泵的负载，因此可以产生井下卡。
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公开(公告)号：US07891237B2
公开(公告)日：2011-02-22
申请号：US12400852
申请日：2009-03-10
申请人： Thomas M. Mills
发明人： Thomas M. Mills
IPC分类号： F04B51/00
CPC分类号： E21B47/0008 , F04B47/00 , F04B47/02 , F04B49/06 , F04B51/00 , F04B2201/121
摘要： The present invention provides highly accurate methods for directly calculating pump fillage which avoid the need and expense of a pump dynamometer card and subsequent calculations.
摘要翻译： 本发明提供了用于直接计算泵填充量的高精度方法，其避免了泵测力计卡的需要和费用以及随后的计算。
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10.发明公开公开(公告)号：US20230184068A1
公开(公告)日：2023-06-15
申请号：US18105992
申请日：2023-02-06
申请人： Ravdos Holdings Inc.
发明人： Victoria Pons
IPC分类号： E21B43/12 , E21B47/009 , F04B49/06 , F04B51/00
CPC分类号： E21B43/127 , E21B47/009 , F04B49/065 , F04B51/00 , F04B47/022 , F04B2201/06 , F04B2201/121
摘要： A method for evaluating data from a reciprocating downhole pump includes the steps of acquiring downhole position and load data, providing the position and load data to a processing unit, normalizing the position and load data, converting the position and load data to a calculated polar coordinate data set, evaluating the calculated polar coordinate data set to determine a condition or occurrence at the reciprocating pump, and outputting calculated key parameters for controlling and optimizing the reciprocating pump and beam pumping unit. The method further comprises a step of creating a library of reference data sets, comparing the calculated polar data set against the library of ideal and reference data sets, identifying one or more reference data sets that match one or more portions of the calculated polar data set, and outputting the probability of one or more of the known conditions within the calculated polar data set.
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